Musician Elton John looks at his fingers during the question and answer period with students after performing songs off his new album "The Diving Board" at the USC Thornton School of Music in Los Angeles, California September 16, 2013. [Photo/Agencies]

Elton John

British pop singer, songwriter and pianist Elton John battled with depression in the early 1990s, along with bulimia and drug abuse. He later overcame them, but went into another period of depression after the death of his two close friends, Princess Diana and fashion designer Gianni Versace.

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